Extraction procedures of toxic and mobile heavy metal fraction from complex mineralogical tailings affected by acid mine drainage

Trifi, Mariem; Dermech, Mohja; Charef, Abdelkrim; Azouzi, Rim; Hjiri, Bilel

doi:10.1007/s12517-018-3612-5

Cited by 19 publications

(8 citation statements)

References 53 publications

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“…and trace elements (Cd, As, etc. ), like those found in this study [60,61]. It has been reported for this geological setting, Cu appears associated with mineable minerals, such as galena (PbS), as metallic impurities of primary minerals [36].…”

Section: Statistical Relationships Between the Different Parameters C...supporting

confidence: 86%

“…The properties such as electrical conductivity and total dissolved solutes show a total correlation between themselves and a high correlation with Cl − and SO 4 2− . It is known that the mineralogical composition, dissolution and oxidation processes are determining factors in the geochemical and environmental risks associated with metallic mine waste [22,28,61,71]. As for pH, this parameter is only correlated with carbonates, without correlation with the concentration of the elements considered, unlike other similar cases [72].…”

Section: Statistical Relationships Between the Different Parameters C...mentioning

confidence: 99%

“…Different tools can be used to determine if the origin of the studied materials is natural or anthropogenic. In this sense, a good way to detect possible relationships between the different types of mining waste is the use of statistical tools such as principal component analysis (PCA) [22,61]. Consequently, in a complementary way to the correlation analysis, a PCA analysis was carried out to detect the mineralogical processes and relationships between the parameters within the studied mining waste (Table 8, Figure 4).…”

Section: Statistical Relationships Between the Different Parameters C...mentioning

confidence: 99%

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Mineralogy, Geochemistry and Environmental Hazards of Different Types of Mining Waste from a Former Mediterranean Metal Mining Area

Rodríguez-Pacheco

García

Caparrós-Ríos

et al. 2023

Land

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Mine waste constitutes one of the biggest environmental and management problems, both due to its quantity and its danger when they are rich in toxic elements. There is a wide variety of waste from the oxidation of ores in metal mining areas, both metal sulphide and other minerals. These residues may be enriched in potentially toxic elements that can spread and contaminate ecosystems, farmland and villages. This study has focused on the characterization and evaluation of residues derived from metal-bearing mining waste in abandoned mining areas. Mineralogy and geochemical characteristics were determined by XRD, WDXRF and TG-MS techniques. In addition, DIN 38414-S4 leaching tests were carried out to assess the risk and mobility of potentially toxic elements. Silicates and oxides were found as the main mineral groups, followed by sulphates. These tailings were particularly enriched in Zn, Pb, As, Sb and Cd, while their leachates had high or extreme metal content. Consequently, these mining wastes are considered toxic and hazardous, even for landfills. Sulphides, as the primary source, and sulphates from their oxidation, were the main sources of these pollutants. Sulphates, As, Zn, Cd and Cu determined the specific environmental impact of the different tailing types, which were grouped into different clusters according to their mineralogy and geochemistry. These results provided a better understanding of the environmental hazards associated with the different types of metal mining waste in the area studied.

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Section: Statistical Relationships Between the Different Parameters C...supporting

confidence: 86%

Section: Statistical Relationships Between the Different Parameters C...mentioning

confidence: 99%

Section: Statistical Relationships Between the Different Parameters C...mentioning

confidence: 99%

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Mineralogy, Geochemistry and Environmental Hazards of Different Types of Mining Waste from a Former Mediterranean Metal Mining Area

Rodríguez-Pacheco

García

Caparrós-Ríos

et al. 2023

Land

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“…and trace (Cd, As, etc.) elements, such as those found in this research, have been demonstrated by several studies [52,53]. However, in many other aspects, the behaviour of these salt efflorescences differs, at least in part, from that shown by the soils and mining tailings described by other authors.…”

Section: Statistical Resultssupporting

confidence: 67%

Environmental Implications of Saline Efflorescence Associated with Metallic Mining Waste in a Mediterranean Region

Alcolea-Rubio

Caparrós-Ríos

Robles-Arenas

et al. 2022

Land

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Salt efflorescences from metal sulphides and their waste are important drivers of pollution both in and around mining areas. However, little is known about these supergene minerals, particularly in the mining areas of the Mediterranean. This study aims to characterise saline efflorescences and their leachates from a Mediterranean mining area located in Southeast Spain. The physicochemical characteristics were determined using stereomicroscopy and compositional analysis, with the following techniques: XRD, WDXRF and TG-MS. Additionally, to assess the risk and potential mobility of their analytes, the samples were subjected to the leaching test DIN 38414-S4. The results showed that the salt efflorescences presented a wide range of crystalline habits and colours. Sulphates were by far the largest mineral group, followed by silicates, oxides and sulphides. Their geochemistry was dominated by elements such as S or Fe, although other potentially toxic elements such as Cd, As, Zn, Pb, Ni and Cu were also present. Due to their high metal(loid) concentrations, the salt crusts studied may act as sources of environmental contaminants, demonstrating that their leachates pose a considerable risk to soil and drinking water quality. An analysis of the correlations and provenances of the components of the salt efflorescences revealed the possible presence of some rare supergene minerals of great interest, such as cuprocopiapite and Pb-As-jarosite.

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“…Heavy metals can enter through skin contact, inhalation, and ingestion. Heavy metals in the liver can be biotransformed, form additional polar compounds, and transform into more active compounds (leading to mutagenesis and carcinogenesis) or less active compounds [ 115 ]. Exposure to high concentrations of heavy metals in air, soil, water, or food can lead to autoimmune diseases, allergies, reproductive diseases (interference with the function of the corpus luteum of the ovary, which prepares the mucous membrane of the uterus for implantation of a fertilized ovum), cardiovascular disorders, lung cancer mortality, and overall mortality [ 116 , 117 , 118 ].…”

Section: Mine Tailings Toxicity Caused By Heavy Metals and Cyanidementioning

confidence: 99%

Socio-Environmental Risks Linked with Mine Tailings Chemical Composition: Promoting Responsible and Safe Mine Tailings Management Considering Copper and Gold Mining Experiences from Chile and Peru

Cacciuttolo

Cano

Custodio

2023

Toxics

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There is a need to define mine tailings in a clear, precise, multidisciplinary, transdisciplinary, and holistic manner, considering not only geotechnical and hydraulic concepts but also integrating environmental and geochemical aspects with implications for the sustainability of mining. This article corresponds to an independent study that answers questions concerning the definition of mine tailings and the socio-environmental risks linked with mine tailings chemical composition by examining the practical experience of industrial-scale copper and gold mining projects in Chile and Peru. Definitions of concepts and analysis of key aspects in the responsible management of mine tailings, such as characterization of metallic–metalloid components, non-metallic components, metallurgical reagents, and risk identification, among others, are presented. Implications of potential environmental impacts from the generation of acid rock drainage (ARD) in mine tailings are discussed. Finally, the article concludes that mine tailings are potentially toxic to both communities and the environment, and cannot be considered as inert and innocuous materials; thus, mine tailings require safe, controlled, and responsible management with the application of the most high management standards, use of the best available technologies (BATs), use of best applicable practices (BAPs), and implementation of the best environmental practices (BEPs) to avoid risk and potential socio-environmental impact due to accidents or failure of tailings storage facilities (TSFs).

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Extraction procedures of toxic and mobile heavy metal fraction from complex mineralogical tailings affected by acid mine drainage

Cited by 19 publications

References 53 publications

Mineralogy, Geochemistry and Environmental Hazards of Different Types of Mining Waste from a Former Mediterranean Metal Mining Area

Mineralogy, Geochemistry and Environmental Hazards of Different Types of Mining Waste from a Former Mediterranean Metal Mining Area

Environmental Implications of Saline Efflorescence Associated with Metallic Mining Waste in a Mediterranean Region

Socio-Environmental Risks Linked with Mine Tailings Chemical Composition: Promoting Responsible and Safe Mine Tailings Management Considering Copper and Gold Mining Experiences from Chile and Peru

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